package service;

import dao.GradeDao;
import dao.GradeDaoImpl;
import pojo.Grade;

import java.util.List;

public class GradeServiceImpl implements GradeService{
    GradeDao gradeDao = new GradeDaoImpl();
    @Override
    public List<Grade> selectALl() {
        return gradeDao.selectALl();
    }
}
